Passive type constant tension hydraulic control system of mooring winch
A hydraulic control system, passive technology, applied in the direction of the spring mechanism, fluid pressure actuating device, servo motor, etc., can solve the problems of low reliability, high cost, and complex equipment.
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[0016] The passive constant tension hydraulic control system of the mooring winch of this embodiment, such as figure 1 As shown, it includes a hydraulic pump 8, a bidirectional hydraulic motor 1, and a reversing valve 6. The reversing valve 6 is used to switch the inlet and outlet of the bidirectional hydraulic motor 1 to change the direction of rotation of the bidirectional hydraulic motor 1. The parking winch is driven by a bidirectional hydraulic motor 1; the reversing valve 6 has four oil ports A, B, C, and D. The oil outlet of the hydraulic pump 8 is connected to the oil port A of the reversing valve 6. A back pressure valve 7 is connected in series between the D port of the reversing valve 6 and the oil tank 1; the first oil inlet and outlet ports of the bidirectional hydraulic motor 1 and the B port of the reversing valve 6 are connected by a first oil guide pipe, so The second oil inlet and outlet ports of the bidirectional hydraulic motor 1 and the C oi...
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